858-B710-01_AC_ELECTRICAL_LOAD_ANALYSIS.pdf
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- Attached to
- Bank Grading Unit Barge Federal contract opportunity
- Solicitation number
- W912EQ19B0007
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AC Electrical Load Analysis
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REV ZONE BY CHECK
1 IML GWB
P3
2 IML GWB
P1
P3
3 IML GWB
P3
P2
P1
GENERAL NOTES
1. Electrical box heaters to be included as needed; not accounted for here.
1 4
NO. REV
2. UPDATED GENERATOR INFO
3. REMOVED DC FROM NAME
THIS DOCUMENT IS THE EXCLUSIVE PROPERTY OF BHGI AND IS
FURNISHED ON A CONFIDENTIAL BASIS. NO PORTION OF THIS
DOCUMENT MAY BE COPIED, TRACED, PHOTOGRAPHED, OR IN ANY
OTHER WAY REPRODUCED, NOR MAY ANY ITEM HEREON DEPICTED BE
MANUFACTURED AS SHOWN WITHOUT THE EXPRESS WRITTEN CONSENT
OF BHGI. THE RECIPIENT OF THE INFORMATION CONTAINED HEREON
MAY NOT DISCLOSE OR MAKE AVAILABLE THE SAME TO ANY OTHER
PERSON OR BUSINESS FIRM, NOR MAY THE SAME BE USED EXCEPT
FOR THE SPECIFIC PURPOSE INTENDED. BHGI SHALL NOT BE HELD
RESPONSIBLE FOR ANY UNAUTHORIZED CHANGES TO THIS DOCUMENT
OR ITS INTENT
1. REMOVED GENERATOR ROOM LOADS
16-May-19
DATE SCALE:
N.T.S.
HULL NO:
DRAWING TITLE
BRISTOL HARBOR GROUP
DWG. NO:
858-B710-01
REV:
99 POPPASQUASH RD, UNIT H, BRISTOL, R.I. 02809
TEL: (401) 253-4318 ~ FAX (401) 253-2339
www.bristolharborgroup.com
DRAWN BY:
IML
CHECK BY:
GWB
858-B245-01 MACHINERY ARRANGEMENT
VESSEL:
BANK GRADING UNIT
TITLE:
AC ELECTRICAL LOAD ANALYSIS
FOR:
ARMY CORPS OF ENGINEERS
REFERENCES
1. UPDATED WINCH & MIDSHIP LIGHTS TO LED
28-May-19
1. REMOVED 90% DELIVERABLE STAMP
REVISION HISTORY
DESCRIPTION DATE
17-May-19
2. ADDED 30% WINCH LOAD: SHORE, GRADING
16-Aug-19
Shore River Transit Grading Translation
Load (kW): 33 9 35 87
Worst Case Load (kW): 87
20% Margin (kW): 17
Req'd Plant Capacity (kW): 104 BOSL
W/ 15% SL Margin (kW): 120 EOSL
Generators: Ringer Machine Gensets
200 A, 480 V, 3-phase (assumed)
Shore Power: SP Cable Reel (480V / 100A / 3-phase)
~67 ekW (PF = 0.8)
ELECTRICAL PLANT SUMMARY
Load Case:
Referenced Case from DDS 310-1:
33 kW Demand 9 kW Demand 35 kW Demand 87 kW Demand
Motor Motor Total
# SWBS Consumer Qty HP Volts Load (kW) LF Load (kW) LF Load (kW) LF Load (kW) LF Load (kW)
1 300 Mach'y Space LED Lights 8 0.51 0.9 0.46 0.9 0.46 0.9 0.46 0.9 0.46
2 300 Fwd Winch LED Lights 4 0.26 0.4 0.10 0.6 0.15 0.6 0.15 0.6 0.15
3 300 Aft Winch LED Lights 4 0.26 0.4 0.10 0.6 0.15 0.6 0.15 0.6 0.15
4 300 Fwd Flood Lights 2 2.00 0.4 0.80 0.6 1.20 0.6 1.20 0.6 1.20
5 300 Aft Flood Lights 2 2.00 0.4 0.80 0.6 1.20 0.6 1.20 0.6 1.20
6 300 Mach'y Space Duplex Receptacles 3 1.08 0.5 0.54 0.5 0.54 0.5 0.54 0.5 0.54
7 300 Timberhead Duplex Receptacle (P) 1 2.18 0.5 1.09 0.5 1.09 0.5 1.09 0.5 1.09
8 300 Timberhead Duplex Receptacle (S) 1 2.18 0.5 1.09 0.5 1.09 0.5 1.09 0.5 1.09
9 300 Fwd Winch Duplex Receptacle 1 0.36 0.5 0.18 0.5 0.18 0.5 0.18 0.5 0.18
10 300 Midship Duplex Receptacles 2 0.72 0.5 0.36 0.5 0.36 0.5 0.36 0.5 0.36
11 300 Aft Winch Duplex Receptacle 1 0.36 0.5 0.18 0.5 0.18 0.5 0.18 0.5 0.18
12 500 Fwd Double-Drum Winch 1 50 480 43.23 0.3 12.97 0 0.00 0.3 12.97 0.9 38.91
13 500 Aft Double-Drum Winch 1 50 480 43.23 0.3 12.97 0 0.00 0.3 12.97 0.9 38.91
14 500 Mooring Winch 1 10 208 9.28 0 0.00 0 0.00 0 0.00 0 0.00
15 500 Boat Davit Winch 1 1 208 1.38 0 0.00 0 0.00 0 0.00 0 0.00
16 500 Electric Cable Reel 1 1 208 1.38 0 0.00 0 0.00 0 0.00 0 0.00
17 500 Fuel Hose Reel 1 0.5 120 0.73 0 0.00 0 0.00 0 0.00 0 0.00
18 500 Ballast Pump (Reserved) 1 15 480 13.97 0 0.00 0.1 1.40 0.1 1.40 0.1 1.40
19 500 FO Xfer Pump 1 2 208 2.25 0.1 0.22 0.1 0.22 0.1 0.22 0.1 0.22
20 500 Air Compressor 1 10 208 9.28 0.1 0.93 0.1 0.93 0.1 0.93 0.1 0.93
21 500 Mach'y Space Vent Fan 1 0.25 208 0.36 0.7 0.25 0.9 0.32 0.9 0.32 0.9 0.32
Shore Cruise Functional Functional
Shore River Transit Grading Translation
SWBS Example Consumer Anchor Shore Cruise Functional Emergency
3 Generator Space Heaters 0.9 0.9 0.0 0.0 0.0
3 Lighting Machinery Spaces 0.9 0.9 0.9 0.9 0.9
3 Lighting Outside Machinery Spaces 0.6 0.4 0.6 0.6 0.4
3 Ship Battery Charger 0.2 0.2 0.2 0.2 0.0
4 Navigation Lighting 0.6 0.4 0.6 0.4 0.2
4 Radar 0.2 0.0 0.5 0.7 0.5
4 Radio 0.2 0.1 0.4 0.7 0.4
4 Searchlight 0.0 0.0 0.0 0.2 0.0
5 A/C Water Pump 0.7 0.5 0.7 0.7 0.4
5 Anchor Windlass 0.0 0.0 0.0 0.0 0.0
5 Bilge Pump 0.1 0.1 0.1 0.1 0.0
5 General Service Pump 0.0 0.0 0.1 0.1 0.0
5 Cargo Crane 0.3 0.3 0.1 0.3 0.0
5 Fire Pump 0.2 0.2 0.2 0.4 0.4
5 Fuel Transfer Pump 0.1 0.1 0.1 0.1 0.0
5 Fuel Transfer Pump Purifier 0.3 0.0 0.3 0.0 0.0
5 HP Air Compressor 0.1 0.1 0.1 0.1 0.0
5 Potable Water Pump 0.3 0.2 0.3 0.3 0.0
5 Sewage Pump 0.0 0.0 0.1 0.1 0.0
5 Space Heater Class W 0.9 0.9 0.9 0.9 0.0
5 Ventilation, No Class 0.9 0.7 0.9 0.9 0.4
6 Oven 0.4 0.2 0.4 0.4 0.0
6 Coffee Maker 0.3 0.2 0.3 0.3 0.0
6 Dishwasher 0.3 0.2 0.3 0.2 0
6 Dryer 0.2 0.2 0.2 0 0.0
6 Power Saw 0.1 0.1 0.1 0 0.0
6 Reefer/Freezer Combo 0.5 0.5 0.5 0.5 0.0
6 Refrigerator - small 0.3 0.3 0.3 0.3 0.0
6 Water Heater 0.1 0.1 0.5 0.5 0.1
Note: Some installed consumers without direct examples in DDS 310 have been given load factors according to similar consumers for which examples exist.
OPERATING CONDITIONS
Referenced Load Factors from DDS 310-1/A
APPENDIX A
Sheet 4 of 4
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